You can use a centralized power supply, so easy to manage. You can go to the market to buy an equivalent voltage, but the power is much larger power module, and then put all the cameras Of the power lines are connected, (positive to the lower, negative to the negative, must not be reversed) and then unified connected to the power module.

Q:Monitor the camera has a video port, what is this mouth, then what machine, direct access to the TV can you?

Is BNC port, direct access to TV no problem, then the old TV video line is a BNC, one is the Lotus head, then LCD TV two are BNC; only the camera directly to the TV, then only on-site monitoring,

Q:Elevator in the monitor camera lens focal length with the number

Usually 3.6 mm lens angle can cover the entire elevator, 2.8 mm wide range for more space for the elevator. The larger the number of millimeters, the narrower the angle of view, look farther

Q:Monitor the camera to take pictures at regular intervals

So the request is a special request, need to monitor the manufacturers in consultation, requiring the host to achieve this function, they are not difficult.

Q:What is the number of lines that a surveillance camera needs to use?

General monitoring of the camera needs a line of power lines, video lines, audio lines and so on

Q:Will the video surveillance camera screen will jump out of this camera settings like the option?

Is the camera menu is transferred out, the general ball machine class camera will appear such problems, you can power the way to cancel the camera!

Q:Commercial surveillance camera and usually use the camera is connected together? How can we find matching software?

Production of the camera all know, whether it is LED light board or array light board, as long as the infrared light board are divided degrees. Commonly common are 30 °, 45 °, 60 ° and 90 °. Lens and light board with 30 ° with 12mm and 16mm, 45 ° with 8mm, 60 ° with 6mm, 90 ° with 3.6mm or 4mm.

10mm or so focal length, is a wide-angle focal lengths. Mainly for landscape photography, documentary photography, according to the angle of view is very large, very shocking about 24mm focal lengths, is a small wide-angle, mainly for landscape photography, documentary photography, travel commemorative photo with this focal length of about 50mm The focal length is about the standard focal length, which is mainly used for landscape photography, portrait photography, documentary photography and so on. It is the focal length. The focal length is mainly used for the portrait, still life and so on. Focal length, the focal length is often used to capture, close-up and so on about the focal length of about 500mm, is a long focal length, the focal length has been able to shoot birds and other superfluous 500mm super telephoto, birds more convenient, Super telephoto is often used in sports photography

Q:The monitor camera does not display the image on the display

If the power is turned on, but the display no image display, is a blue background and "OFF" words, then the display menu to open the corresponding channel can display the image out.